Concrete pavement design example

Paul guyer is a registered civil engineer, mechanical engineer, fire protection engineer, and architect with over 35 years experience in the design of buildings and related. Introduction to rigid pavement design ced engineering. Pavement structural design provides advice for the structural design of sealed road pavements. On the other hand, parking lots differ from other pavements in that most of the area is intended for storage of vehicles and other goods rather than for movement of vehicles. Design of rigid pavement using aashto method youtube. In this video, you will know how to design a rigid pavement using aashto method and curves to make you available to develop structure pavement. However, as it encompasses the wide range of materials and conditions found in australia and new zealand, some parts are broadly based. Design methods ability to consider factors that affect rigid pavements. January 2005 implementation memo flexible pavement design manual. Design and construction of joints for concrete streets. Lecture 38 concrete pavement design indian congress. Date 2019 rigid pavement design manual rpdm 110118 2018 rigid pavement design manual rpdm. Ufc 325001 pavement design for roads and parking areas.

Concrete pavements offer several advantages which is not possessed by bituminous pavement designs, for example, it is considerably suitable for large points loads, withstand diesel spillage and other aggressive materials, suitable for cases where subgrade strength is low, resist high temperature, and many more benefits. Under average conditions the concrete should achieve a 28day modulus of rupture mr of 550 to 700 psi 3. Poor subgradesubbase preparation can not be overcome with thickness. This guide is the standard that designbuilders shall be held to in the development of new pavement design sections and preservation rehabilitation of existing pavement sections on designbuild projects. American association of state highway transportation officials acp. Calculate the effective modulus of subgrade reaction k this calculation is a multistep process in the 1993 aashto guide for design of pavement structures. Design chart for composite concrete pavement lean concrete subbase, b2. Office of asset management, pavement, and construction. Called rigid since pccs high modulus of elasticity does not allow them to flex. Dec 10, 2018 in this video, you will know how to design a rigid pavement using aashto method and curves to make you available to develop structure pavement.

New flexible pavement design example 1993 aashto pavement. The thickness design of cpcd is detailed in section 2, approved design method, and section 4, rigid pavement. The design of concrete parking lots should follow generally accepted procedures for con. Rigid pavement empirical design example pavement interactive. Use the current design procedures rigidpavement program for determination of the pavement thickness.

Any concrete pavement, built of any thickness, will have problems on a poorly designed and constructed subgrade or subbase. New flexible pavement design example 1993 aashto pavement design project name and location. Lecture series on introduction to transportation engineering by prof. Performancebased concrete pavement mix design system the final product of this track will be a practical yet innovative concrete mix design procedure with new equipment, consensus target values, common laboratory procedures, and full integration with both structural design and field quality control a lab of the future. Introduction to rigid pavement design cedengineering. Removed information on embedded steel and continuously reinforced concrete pavement. Should it be necessary to use the pavements at an earlier age, consideration should be given to the use of a. Typically street pavement slabs range from 5 to 8 in. The advice has been generally developed from the approaches followed by the austroads member agencies. Types of concrete pavements construction details and. Since the mode of failure in the design of concrete pavement is flexural fatigue, it is important that the concrete have adequate flexural strength modulus of rupture to resist cracking from flexural fatigue. For jointed concrete pavements, regardless of whether reinforced or non reinforced, the aashtoodot method of pavement design calculates the same. Design a new rigid pavement for a major interstate highway using the following conditions four lanes each direction.

Guide for design and construction of concrete parking lots. Ac 15053206f, airport pavement design and evaluations, 10. Two other acpa publications, design of concrete pavements for city streets and subgrades and subbases for concrete pave ments, address city street thickness design and subgrade subbase preparation. The basic features of these three concrete pavement types are shown in figure 1. Pavement design subbase effects the current design does not model the contribution of bases accurately. This project will consist of the construction of a new flexible pavement to extend route 123 to intersect with route i80 in north jersey. Concrete pavement design and construction special session honoring dr.

Materials for the concrete pavements, which are used as the principal references. Lecture 38 concrete pavement design indian congress method. Defined regular use for pavement design as at least 250 annual departures, which is equivalent to 500 annual operations. The objectives of the pavement design process are to guide the district pavement engineer dpe to select a pavement type, and design the pavement with an approved method using all the information needed to provide a structure that is capable of carrying traffic loads with minimum physical deterioration, maximum safety, and maximum ride comfort. Pavement design with examples complete data civildigital. Examination of effect of extended dlc layer on stresses 5. Proper design and construction are absolutely necessary if the pavement is to perform. This revision provides pavement design procedures and requirements for the pavement design of roads and parking areas worldwide. Design, construction, and performance of continuously reinforced concrete pavements. Different pavement types use different types of joints and reinforcement to control the forces acting on the concrete pavement. Design size and spacing of dowel bars at an expansion joint of concrete pavement of thickness 25 cm. Sample design analyses an example of the design of a jointed pcp using the criteria listed above and design input adjustment is given in this sec tion for a project site in washington, d. Concrete parking lots have many similarities to other types of concrete pavement.

Road pavement design guide 2 use of the design guide and pavement options this document is intended to cover the design of new schemes of any size and reconstruction or. Load capacity of the dowel system is 40 percent of design wheel load. Rigid pavement analysis and design fhwa us department of. Sudhakar reddy, department of civil engineering, iit kharagpur. Normally, a design flexural strength at 28day age will be used for the pavement thickness determination. The current design procedures allows concrete pavements built with granular bases to carry about 5 8% more traffic.

For jointed concrete pavements, regardless of whether reinforced or nonreinforced, the aashtoodot method of pavement design calculates the same. It clarifies when state pavement design procedures may be used and when pavement transportation computer assisted structural engineering pcase is required. At the aasho road test, it was found that the concrete pavements with granular bases could carry about 30% more traffic. April 27, 2009 mndot pavement design examples example no. This is an introduction to rigid pavement design for engineers. In this video, you will know how to design a rigid pavement using aashto method and curves to make you available to develop structure.

Reinforced jointed concrete pavement is reinforced with steel mesh and is built with transverse joint spacing of 40 ft. Finally, example problems are included in this document to demonstrate the robustness of the new design software for both new crcp and crcp overlays in. August 2016 continuously reinforced concrete pavement manual. Historically, this type of pavement was the predominant concrete pavement built by indot. Pdf concrete pavement design, construction, and performance. For jointed concrete pavements, regardless of whether. Crcp performance problems observed in the past, such as material durability lacoursiere et al. Design chart for composite concrete pavement monolithic with lean concrete lower layer.

Can use load spectra instead of esals computationally intensive. Example design size and spacing of dowel bars at an expansion joint of concrete pavement of thickness 25 cm. Chapter 8 design of precast concrete pavement systems. Sample sustainable pavement design strategies references. Recycled concrete aggregate can be used in all layers of concrete pavements with the majority of the recycled concrete placed in the granular base or subbase layer to reduce subgrade stresses, protect against frost action, and to enhance subsurface drainage. By definition, plain pavements are constructed without any reinforcing steel or steel dowels at the control joints. The office of pavement engineering is responsible for the pavement design analyses of new, reconstruction, rehabilitation, and preservation projects for indots roadways. This design method determines the thickness for both plain and reinforced concrete pavements. An example of pavement design is presented to demonstrate the economy of bonded concrete pavements. Our responsibilities include the pavement design analysis, alternate pavement designs hma and concrete and lifecycle pavement cost analysis for indot roadway projects. A concrete mix is to be designed for use in a 250 mm 10 inch thick jpcp pavement. Nov 19, 2008 lecture series on introduction to transportation engineering by prof. Design using the aashtoware pavement me design procedure publication no. The current swedish design method for concrete pavements is straightforward but offers no flexibility when designing roads with, for instance higher traffic loads.